Arabs in Transjordan (now Jordan) fight an invasion of locusts

Title card: "Fight locust plague, Near Jerusalem - myriads of destroyers cover land as in Biblical days! Native use modern methods in ancient conflict" / Mohammed Ragheb sitting at table outdoors with other Arab men talking about plan to fight locusts / men pick up equipment to go fight locusts as Ragheb continues talking / card: "The dread invaders . . . locusts in creeping stage are driven into trap" / locusts swarming in field / man with tank on back setting fire to field / locusts running across ground away from fire / locusts crawling across ground towards pit / Note: exact month/day not known